The speed limit on a motorway is 120 km per hour. What is this in SI units?

3 October 2023 by alevelmechanics1.com Intro: In this numerical problem, we will be converting the speed limit from a motorway, which is typically measured in kilometers per hour (km/h), into the equivalent value in the International System of Units (SI units). The SI unit for speed is meters per second (m/s), so we will perform the necessary … Read more

How long will an athlete take to run 1500 metres at 7.5 m s^-1?

In this numerical scenario, we’re examining how much time an athlete will require to complete a 1500-meter run at a constant speed of 7.5 meters per second. This calculation is crucial for understanding athletic performance and race times. 3 October 2023 by alevelmechanics1.com meta data: Question Type: This is a physics or mathematics question involving the calculation … Read more

A train maintains a constant velocity of 60 m s due south for 20 minutes. What is its displacement in that time? Give the distance in kilometres.

Intro: In this scenario, a train is traveling with a consistent velocity of 60 meters per second in a southerly direction over a period of 20 minutes. The objective is to determine the train’s displacement during this time frame and express it in kilometers, thus showcasing the application of physics principles in real-world situations. 3 … Read more

How long will it take for a cruise liner to sail a distance of 530 nautical miles at a speed of 25 knots? (A knot is a speed of 1 nautical mile per hour.)

3 October 2023 by alevelmechanics1.com Intro: In this numerical scenario, we’ll be delving into the world of maritime travel. We have a cruise liner embarking on a journey, and the task at hand is to calculate the time required for this ship to sail a specific distance of 530 nautical miles. To make this calculation, we’re provided … Read more

Some Antarctic explorers walking towards the South Pole expect to average 1.8 kilometres per hour. What is their expected displacement in a day in which they walk for 14 hours?

3 October 2023 by alevelmechanics1.com Intro: A group of brave Antarctic explorers is aiming to reach the South Pole, expecting to walk at an average speed of 1.8 kilometers per hour. The question at hand is: What will be their total displacement after walking for 14 hours? This scenario highlights the challenges and determination of these adventurers … Read more

Light travels at a speed of 3.00 × 108 m s. Light from the star Sirius takes 8.65 years to reach the earth. What is the distance of Sirius from the earth in kilometers?

Title: Cosmic Commute: Sirius Connection Introduction: Embarking on a cosmic odyssey, this numerical voyage unravels the distance that light traverses on its interstellar journey from the star Sirius to Earth. A celestial connection forged over 8.65 years becomes the focal point, revealing the vast distances bridged by the cosmic messenger, light. Scenario Overview: Sirius, a … Read more